Shoe strap



FIG. 1 is a perspective view of a shoe strap showing my new design;

FIG. 2 is another perspective view of a shoe strap showing my new design;

FIG. 3 is a top plan view of FIG. 1; and,

FIG. 4 is a front elevational view of FIG. 1.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shoe strap, as shown and described. 